How Long Does LEGO® ROBOLAB Amusement Park Set (9725-3) Take to Build?

A typical builder finishes LEGO® ROBOLAB Amusement Park Set (set 9725-3, 306 pieces) in about 55 minutes. Taking it slowly runs closer to 1 hour 15 minutes; building at a fast pace, about 45 minutes.

PieceTick estimates build time from piece count, part complexity, the set’s age rating, your experience level, and how you sort pieces. Adjust those on this page for an estimate matched to how you build.